15.The company has applied an efficient system,________ a lot of labour.A) to save B) saved C) thus saving D) only to save

15.The company has applied an efficient system,________ a lot of labour.A) to save B) saved C) thus saving D) only to save
15.The company has applied an efficient system,________ a lot of labour.
A) to save B) saved C) thus saving D) only to save

15.The company has applied an efficient system,________ a lot of labour.A) to save B) saved C) thus saving D) only to save
To save不用逗号,only to表意料之外的结果.此处为因此节约了……主句是有目的的行为,不在意料之外